what is unclear is what israel was targeting. israeli warplanes attacked a convoy of trucks traveling across the border of lebanon. nicole johnson is live in jerusalem. the reaction is coming in from this incident. >> that is right. we have had a response from hezbollah. it has condemned the attack inside syria, saying it is a dangerous act. we also heard from russia, which said it will be taking urgent action to clarify what has happened. there is still a great deal of uncertainty. the u.s. navy is reports in israeli officials spoke to u.s. a administration officials and informs them they are planning and carrying out an attack on an arms shipments said to be carrying russian missiles destined for hezbollah. if those missiles were surface- to-air missiles, that would be a game changer. it would make it difficult to carry out air operations in northern israel as well as southern lebanon. the israelis are concerned about this. they are concerned about the transfer of chemical weapons from syria to hezbollah and to other groups ins